Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES117403ApriorityCriticalpatent/ES117403A1/es
Publication of ES117403A1publicationCriticalpatent/ES117403A1/es
ES117403A1930-03-241930-03-24Procedimiento para la fabricación de materiales artificiales, particularmente hilos de derivados de celulosa.
ExpiredES117403A1
(es)